COP26: Everything to know about the climate change summit on 2 November

US President Joe Biden told COP26 Monday that "the United States is not only back at the table, but hopefully leading by the power of our example".

More than 100 global leaders have pledged to halt and reverse deforestation and land degradation by the end of the decade.

Fourteen countries, including Denmark and the United States, have backed a goal to reduce emissions from the global maritime sector to zero by 2050. The initiative is led by Denmark and was announced on the sidelines of COP26.

Countries must put a price on the carbon dioxide emissions that are accelerating climate change, European Commission President Ursula von der Leyen told COP26 yesterday.

COP26 opened with a poem from Yrsa Daley Ward. You can hear it below.

COP26 is not the end of the race to tackle climate change, US national security adviser Jake Sullivan said on Monday, adding that the world must keep working on the problem for the rest of the decade.

Sir David Attenborough addressed COP26 Monday, telling world leaders to "turn tragedy into triumph" and that the world is watching.

A US and EU-led effort to cut methane emissions is set to officially launch Tuesday at COP26. Nearly 90 countries have signed up so far.

Canadian Prime Minister Justin Trudeau told COP26 yesterday that the country will put a cap on oil and gas sector emissions.

The first Forum COP26 Live session saw business leaders discuss the steps CEOs can take to tackle the climate crisis and the need for collaboration with government.

Indian Prime Minister Narendra Modi announced at COP26 Monday his country's target to reach net-zero carbon emissions by 2070.

He told world leaders that India would increase the share of renewables in its energy mix from about 38% last year to 50% by 2030.

Scientists say the world needs to halve global emissions by 2030 and reach net zero by 2050 to avoid the worst impacts of climate change.

In his speech, Modi also called for a global push to adopt sustainable lifestyles.

"Instead of mindless and destructive consumption, we need mindful and deliberate utilization," he said, citing consumer choices in areas from packaging to diet.

"These choices, made by billions of people, can take the fight against climate change one step further," he said.

The UK's Queen Elizabeth II told COP26 Monday that the "time for words has now moved to the time for action". She urged global leaders to think of future generations.

"It is the hope of many that the legacy of this summit - written in history books yet to be printed - will describe you as the leaders who did not pass up the opportunity; and that you answered the call of those future generations," the Queen said.

"The benefits of such actions will not be there to enjoy for all of us here today: we, none of us, will live forever. But we are doing this not for ourselves but for our children and our children's children."